Which of the following components of the SNMP protocol is software modules that obtain the information required by the NMS and can also change the information into a format that can be interpreted by SNMP?

A.
Managed devices.

B.
SNMP agents.

C.
Network Management System (NMS).

D.
None of the above.

Explanation:
SNMP agents are software modules that obtain the information required by the Network Management System (NMS), and then changes this information to an SNMP-acceptable format so that it can be sent.

Incorrect Answers:
A: Managed devices contain an SNMP agent and collect and store information. The managed device then makes this information available to Network Management System (NMS).
C: The Network Management System (NMS) is the name of the software program running all those applications that monitor managed server network devices.
D: SNMP agents is the correct component.
References:

Charles J. Brooks, Server+ Certification Exam Cram 2 (Exam SK0-002), QUE Publishing, Indianapolis, 2006, pp. 424-427.